Hot work tool steel with increased efficiency, useful for manufacturing forging tools, comprises manganese, silicon, molybdenum, vanadium, tungsten, chromium, carbon, phosphorus, sulfur and iron

摘要

Hot work tool steel with increased efficiency, comprises 0.3-0.5 mass% manganese, 0.8-1.1 mass% silicon, 0.7-1.6 mass% molybdenum, 0.35-0.6 mass% vanadium, 0.8-1.79 mass% tungsten, 4-6 mass% chromium, 0.4-0.65 mass% carbon, not 0.02 mass% phosphorus, not 0.01 mass% sulfur and remaining amount of iron.